And perhaps a whole host of other important issues, donald trump and Justin Trudeau are polar opposites. Yes, it is going to be a delicate afternoon for the canadian Prime Minister. He is in washington for theirfirst meeting. But a crucially important one given Donald Trumps threat to renegotiate the north American Free Trade Agreement, nafta as it is known. Trade between the two countries is currently worth some 660 billion. Last year the us had a slight trading surplus in goods and services around 12 billion. They share the worlds Longest International Border and across it they do 2 billion of trade every day. But here is why this relationship is so crucially important to the canadians 75 of their exports go to the United States. Which is why any new tariffs would have a huge knock on effect. This is the scene at the white house. Everybody congregating and the various anchors going through their paces. We will take you live there wendy two leaders appear. There wendy two leaders appe